Home / 63,837.56-88,151.28-40,005.20

Finding the Fourth Proportional to 63,837.56, 88,151.28 and 40,005.20

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Solution

The fourth proportional to 63,837.56, 88,151.28 and 40,005.20 is: 55,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,837.56 : 88,151.28 = 40,005.20 : x
  2. Step 2: Convert to fraction form
    63,837.56/88,151.28 = 40,005.20/x
  3. Step 3: Cross multiply
    63,837.56x = 88,151.28 × 40,005.20
  4. Step 4: Simplify right side
    63,837.56x = 3,526,509,586.66
  5. Step 5: Solve for x
    x = 3,526,509,586.66/63,837.56
  6. Step 6: Final answer
    x = 55,241.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.